Minnesota Mining and Manufacturing Company

William C Frank

Kumars Sakizadeh

David R Whitcomb

George V Tiers

William Donald Ramsden

Roger A Mader

Terence D Spawn

Mark P Kirk

Dian E Stevenson

Randall H Helland

Mark B Mizen

Richard A Newmark

Sylvia A Farnum

Jonathan P Kitchin

Jonathan P, Kitchin

Novel silver-carboxylate/1,2-diazine compounds having the formula: ##STR1## wherein: R.sup.1 represents either an alkyl, aralkyl, cycloalkyl, or alkenyl group of up to 29 carbon atoms; or an aryl group of up to 14 carbon atoms; and

Silver-carboxylate/1,2-diazine compounds as silver sources in

A thermal-dye-bleach construction comprising a dye in association with a thermal dye-bleaching agent of general formula I: ##STR1## wherein: each of R.sup.a and R.sup.b are individually selected from: hydrogen, an alkyl group, an alkenyl group, a cycloalkyl group, an aralkyl group, an aryl group, and a heterocyclic group, and preferably, both R.sup.a and R.sup.b represent hydrogen;

Quaternary-ammonium phenylsulfonylacetate thermal-dye-bleach agents

Tetra-alkylammonium phenylsulfonylacetate thermal-dye-bleach agents

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Roseville, MN, United States of America

William C Frank